diff --git a/framelesshelper_global.h b/framelesshelper_global.h
index 48c99f2..9608bb8 100644
--- a/framelesshelper_global.h
+++ b/framelesshelper_global.h
@@ -68,6 +68,7 @@ namespace _flh_global {
 [[maybe_unused]] const char _flh_acrylic_blurEnabled_flag[] = "_FRAMELESSHELPER_BLUR_ENABLED";
 [[maybe_unused]] const char _flh_acrylic_blurMode_flag[] = "_FRAMELESSHELPER_BLUR_MODE";
 [[maybe_unused]] const char _flh_acrylic_gradientColor_flag[] = "_FRAMELESSHELPER_BLUR_GRADIENT_COLOR";
+[[maybe_unused]] const char _flh_acrylic_disableExtraProcess[] = "_FRAMELESSHELPER_DISABLE_EXTRA_PROCESS_FOR_BLUR";
 [[maybe_unused]] const char _flh_acrylic_forceEnableOfficialMSWin10AcrylicBlur_flag[] = "_FRAMELESSHELPER_FORCE_ENABLE_MSWIN10_OFFICIAL_ACRYLIC_BLUR";
 [[maybe_unused]] const char _flh_acrylic_forceEnableTraditionalBlur_flag[] = "_FRAMELESSHELPER_FORCE_ENABLE_TRADITIONAL_BLUR";
 [[maybe_unused]] const char _flh_acrylic_forceDisableWallpaperBlur_flag[] = "_FRAMELESSHELPER_FORCE_DISABLE_WALLPAPER_BLUR";
diff --git a/qtacryliceffecthelper.cpp b/qtacryliceffecthelper.cpp
index fe1a094..50acc9b 100644
--- a/qtacryliceffecthelper.cpp
+++ b/qtacryliceffecthelper.cpp
@@ -206,6 +206,11 @@ void QtAcrylicEffectHelper::paintBackground(QPainter *painter, const QRect &rect
     if (!checkWindow()) {
         return;
     }
+    // TODO: should we limit it to Win32 only? Or should we do something about the
+    // acrylic brush instead?
+    if (qEnvironmentVariableIsSet(_flh_global::_flh_acrylic_disableExtraProcess)) {
+        return;
+    }
     if (Utilities::shouldUseTraditionalBlur()) {
         const QPainter::CompositionMode mode = painter->compositionMode();
         painter->setCompositionMode(QPainter::CompositionMode_Clear);